When you notice irregular sounds on your Bmw Serie 1 F21 you tend to concerns about them. Especially when you feel a noise when you accelerate on your Bmw Serie 1 F21. It is automatically assimilated to an engine motor trouble and can therefore be considerable. As we know that you do not take these trouble lightly, we have chosen to publish this article to help you find the causes and eradicate this matter as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my Bmw Serie 1 F21, then what is a whistling or ratling noise at the acceleration of my Bmw Serie 1 F21, then the origins of a noise that intensifies during acceleration and finally a noise that ceases when I stop accelerating.
Ma Bmw Serie 1 F21 makes a high-pitched noise when I accelerate:
If your Bmw Serie 1 F21 produces a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your trouble. You will need to identify if this noise occurs abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to carry power to the secondary components of your Bmw Serie 1 F21’s engine and although it is less important than the timing belt it can bring about engine failure if it stops working. This sound may be a symptom of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Bmw Serie 1 F21, go to your auto mechanic.
Ma Bmw Serie 1 F21 makes whining noise when I accelerate:
- Rattling or whistling noise generated by the turbo
- Humming noise caused by air leakage
If you have a power loss that accompanies the rattling noise when you accelerate with your Bmw Serie 1 F21, it is plausible that your turbo is declining and some of its parts are at the end of their life. Examine it and change it if it is the cause, otherwise you risk blockage your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to read this content about turbo noises on Bmw Serie 1 F21, if you would like more info.
If, on the other hand, you do not feel any power loss due to an humming noise on your Bmw Serie 1 F21, it is more than likely that you have one of your junctions or air hoses that has holes. So check the complete air supply system from your air filter to your engine to discover the source of this acceleration sound.
Ma Bmw Serie 1 F21 produces an increasingly loud noise when I accelerate:
If, on the other hand, you have the feeling that the more you gain speed, the more your noise at acceleration on Bmw Serie 1 F21 gets loud, then you will have to look at the rolling parts of your car. In fact, if this loud noise does not appear when you iddle, it is surely connected to your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so make sure you check their condition to make sure it is not the reason of this loud noise when you accelerate. If not, go to this article about the noises related to Bmw Serie 1 F21 noise wheels.
Ma Bmw Serie 1 F21 makes a noise when I accelerate that ceases when I stop accelerating:
Finally, if you experience a noise when accelerating with your Bmw Serie 1 F21 and this noise which could be a cliking sound tends to reduce when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the reason. In fact, the clutch release bearings must be replaced around every 120 000 / 130 000km. To check it, you just have to see if you have more difficulty than usually shifting gears, if you feel a resistance either stronger or non-existent in the clutch pedal. If you have any of these manifestations, go to your auto technician to change the clutch release bearings on your Bmw Serie 1 F21. Go through our article on clutch noise on Bmw Serie 1 F21 for more information.
